mpu401_read 1203 sound/pci/emu10k1/emu10k1x.c static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) mpu401_read 30 sound/pci/emu10k1/emumpu401.c static inline unsigned char mpu401_read(struct snd_emu10k1 *emu,